The study of amphibians and reptiles is termed as Herpetology. Over 4300 species of amphibians and 6000 species of reptiles are known to occur in the world. They are cold blooded or ectothermic animals. Their body temperature fluctuates depending up on external temperature.
Only limited knowledge exists with respect to the importance of herpetofauna in the environment and the livelihood of the people.
A recent publication “Amphibians and Reptiles of Nepal” edited by Schleich and Katstle (2002) provides an account of 50 amphibians and 123 reptiles. Herpetofauna in Nepal is relatively richer compared to other South Asian Countries –well over 206 species and sub-species including 59 amphibian species of which 15 are listed as globally threatened.

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